... alloy radiator 1,aluminium alloy heat sink, 2,radiator section,radiator extrusion 3, heat sink aluminium profile aluminum alloy ... 6463,6082…2,The processing methods including: Aluminium profile extruding,Precise cutting,Straight rectification,Bending,Drilling,Tapping, ... Erope standard EN12020-1,2(2001) and american standard AAMA611-98. customized heat sink aluminium profile and radiator aluminium ...